Sidney → Billings
Dec 19, 2026 · return Dec 25, 2026
SDY → BIL1 adulteconomyRound trip
1 flight options · 1 airline
Nonstop flights
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- A real airline bookingThe booking is in the airline’s own system under your name. After you book, 9K emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About
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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
Route overview: Sidney to Billings (BIL) flight deals
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-19 → 2026-12-25 | 9K | 9K1778 / 9K1781 | $130.20 | 2026-10-29T01:14:24Z |
2026-12-19 → 2026-12-25 · $130.20
- 9K 9K1778: SDY 2026-12-19 07:35:00 → BIL 2026-12-19 09:25:00; nonstop; 110 minutes. Local airport times.
- 9K 9K1781: BIL 2026-12-25 12:38:00 → SDY 2026-12-25 14:16:00; nonstop; 98 minutes. Local airport times.